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(2021 BM)
Classification: Apollo [NEO]          SPK-ID: 54106296
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809208060675339 0.0001132  
a 1.191021537771788 0.00015336 au
q .975540961114322 9.2135e-06 au
i 1.264305386563618 0.00074673 deg
node 181.1577279467419 0.00055478 deg
peri 337.9672914797054 0.0028795 deg
M 305.4621249739842 0.0089785 deg
tp 2459272.423955083374
(2021-Feb-26.92395508)		 0.0020538 TDB
period 474.7640757485209
1.30		 0.091697
0.0002511		 d
yr
n .7582713570575407 0.00014645 deg/d
Q 1.406502114429253 0.0001811 au
   Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      26 days  
   first obs. used      2021-01-16  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .35639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:02  

Additional Information
 Earth MOID = .00396372 au 
 Jupiter MOID = 3.56912 au 
 T_jup = 5.310 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.28   .34159 E2021-BA4 autocmod 2.8

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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